Home / 57,217.70-85,826.55-52,148.90

Finding the Fourth Proportional to 57,217.70, 85,826.55 and 52,148.90

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Solution

The fourth proportional to 57,217.70, 85,826.55 and 52,148.90 is: 78,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,217.70 : 85,826.55 = 52,148.90 : x
  2. Step 2: Convert to fraction form
    57,217.70/85,826.55 = 52,148.90/x
  3. Step 3: Cross multiply
    57,217.70x = 85,826.55 × 52,148.90
  4. Step 4: Simplify right side
    57,217.70x = 4,475,760,173.30
  5. Step 5: Solve for x
    x = 4,475,760,173.30/57,217.70
  6. Step 6: Final answer
    x = 78,223.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.